This week, Matthew Yeomans wrote about how the term sustainability is deemed by many professionals as confusing and difficult for the public relate to. He asked, do customers and employees even know what it means? If a company's sustainability story is muddled, with no obvious beginning, middle or end, it's unlikely to hook employees, investors, consumers or the media.

To create a corporate social responsibility success story with clear communication of what sustainability means and why it's a credit to your company, is vital.

The really exciting news is, we're offering a free place! Simply tell us in under 50 words, a tip for effectively communicating sustainability credentials, perhaps how to dodge a pitfall or overcome an obstacle.

To enter, you can comment below, tweet @GuardianSustBiz, email, post it on our Facebook wall or share it with us on LinkedIn. A shortlist of the top five entries will be selected and put to a public vote. The winner will be the person whose tip receives the most votes from our readers. The competition wont be around for long with the closing date approaching on 16 January. A list of terms and conditions can be found here.To book a place on the telling sustainability stories short course, click here.